Mathematics is merely the means to a general and ultimate knowledge of man.

When you look into an abyss, the abyss also looks into you.

My formula for happiness: a Yes, a No, a straight line, a goal.

Those are my enemies: they want to overthrow and to construct nothing themselves. They say: "All that is worthless"--and want to create no value themselves.

The so called unconscious inferences can be traced back to the all-preserving memory, which presents us with parallel experiences and hence already knows the consequences of an action. It is not anticipation of the effects; rather, it is the feeling: identical causes, identical effects . . .

Some people do not become thinkers simply because their memories are too good.

I love him who wants to create over and beyond himself and thus perishes.